TY  - BOOK
AU  - Spahr,Norman E.
ED  - Geological Survey (U.S.)
TI  - Water quality in the Upper Colorado River Basin, 1996-98
SN  - 0607954248 (pbk. : alk. paper)
PY  - 2000///
CY  - Reston, VA
PB  - U.S. Geological Survey
KW  - Water quality
KW  - Colorado River Watershed (Colo.-Mexico)
N1  - Includes bibliographical references (p. 25-27)
ER  -